/oss/taxonomy/term/6074/all en /oss/article/covid-19/natural-immunity-covid-has-its-limits <hr /> <p>This article was originally posted in <a href="https://montrealgazette.com/opinion/columnists/christopher-labos-natural-immunity-to-covid-has-its-limits">the Montreal Gazette</a></p> Fri, 25 Feb 2022 18:21:27 +0000 Christopher Labos MD, MSc 9036 at /oss